Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.446 5.215/5.981 5.645 ± 0.5092
ea02 1342 1342/1342 1342 ± 0.000004829 5.652 5.302/6.398 5.892 ± 0.6641
ea04 1342 1342/1342 1342 ± 0 5.362 5.023/6.073 5.577 ± 0.5928
ea05 1342 1342/1342 1342 ± 0 5.664 5.167/6.155 5.706 ± 0.5993
ea06 1342 1342/1342 1342 ± 0 4.855 4.565/5.237 4.926 ± 0.4091
ea07 1342 1342/1342 1342 ± 0 5.86 5.375/6.166 5.911 ± 0.5716
ea08 1342 1342/1342 1342 ± 0.000001209 5.678 5.436/6.544 5.986 ± 0.6688
ea09 1342 1342/1342 1342 ± 0 5.561 5.146/6.209 5.679 ± 0.6159
ea10 1342 1342/1342 1342 ± 0 5.789 5.212/6.474 5.829 ± 0.6486
ea11 1342 1342/1342 1342 ± 0 5.719 4.996/6.19 5.667 ± 0.6793
ea12 1342 1342/1342 1342 ± 0 6.184 6.01/6.627 6.288 ± 0.3997
ea13 1342 1342/1342 1342 ± 0 5.733 5.554/6.223 5.967 ± 0.5057
ea14 1342 1342/1342 1342 ± 0 5.716 5.235/6.28 5.81 ± 0.6499
ea15 1342 1342/1342 1342 ± 0 5.522 4.954/6.172 5.632 ± 0.7169
ea16 1342 1342/1342 1342 ± 0 6.042 5.581/6.668 6.193 ± 0.7006
ea17 1342 1342/1342 1342 ± 0.00001379 5.853 5.493/6.41 6.003 ± 0.6241
ea18 1342 1342/1342 1342 ± 0 4.929 4.567/5.456 5.043 ± 0.5254
ea19 1342 1342/1342 1342 ± 0 5.832 5.375/6.405 5.995 ± 0.6184
ea20 1342 1342/1342 1342 ± 0 5.883 5.449/6.484 5.997 ± 0.6485
ea21 1342 1342/1342 1342 ± 0 5.594 5.251/6.148 5.726 ± 0.5624
ea22 1342 1342/1342 1342 ± 0 5.401 5.195/6.309 5.734 ± 0.6524
ea23 1342 1342/1342 1342 ± 0 5.953 5.43/6.393 6.018 ± 0.6824
ea25 1342 1342/1342 1342 ± 0 5.408 5.041/5.923 5.531 ± 0.5689
ea26 1342 1342/1342 1342 ± 0 5.869 5.561/6.667 6.078 ± 0.6425
ea27 1342 1342/1342 1342 ± 0.00002382 5.455 5.19/6.252 5.662 ± 0.5764
ea28 1342 1342/1342 1342 ± 0.00002379 5.554 5.266/6.333 5.799 ± 0.6379
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002393 5.277 5.15/5.502 5.286 ± 0.2633
3 1342 1342/1342 1342 ± 0.00002393 5.181 5.01/5.414 5.164 ± 0.2965
4 1342 1342/1342 1342 ± 0.00002436 5.191 4.951/5.309 5.127 ± 0.3113
5 1342 1342/1342 1342 ± 0.00002393 5.29 5.016/5.375 5.221 ± 0.3186
6 1342 1342/1342 1342 ± 0.00002393 5.187 4.96/5.324 5.162 ± 0.3005
7 1342 1342/1342 1342 ± 0.00002393 5.233 5.1/5.425 5.229 ± 0.2596
8 1342 1342/1342 1342 ± 0.00002393 5.288 5.043/5.364 5.203 ± 0.2782
9 1342 1342/1342 1342 ± 0.00002393 5.53 5.324/5.767 5.491 ± 0.3181
10 1342 1342/1342 1342 ± 0.00002348 5.956 5.774/6.134 5.921 ± 0.3087
11 1342 1342/1342 1342 ± 0.00002348 6.224 6.072/6.329 6.144 ± 0.317
12 1342 1342/1342 1342 ± 0.00002348 6.334 6.203/6.554 6.301 ± 0.3406
13 1342 1342/1342 1342 ± 0.00002348 6.777 6.657/6.912 6.736 ± 0.3603
14 1342 1342/1342 1342 ± 0.00002348 6.933 6.739/7.15 6.907 ± 0.3923
15 1342 1342/1342 1342 ± 0.00002348 6.638 6.363/6.739 6.525 ± 0.3998
16 1342 1342/1342 1342 ± 0.00002992 5.924 5.561/6.126 5.855 ± 0.3491
17 1342 1342/1342 1342 ± 0.00003104 5.887 5.586/6.098 5.859 ± 0.3286
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-05-01 09:42:15.378
End
2024-05-01 10:34:35.396
Duration
0:52:20.018
Note, WebLog generation is not included in the time.

CASA logs for stage 7